This letter addresses an unknown input observer design to estimate simultaneously the 3D depth of a tracked image feature and camera linear velocity using low cost monocular inertial sensor. The kinematic model is at first, augmented via dynamic extension approach then described as quasi-Linear Parameter Varying (qLPV) model. Further, qLPV system transformed into Takagi-Sugeno (T-S) form with u...

This chapter studies the problem of fault estimation using a fast adaptive fault diagnosis observer. Note that the advance of observer-based fault diagnosis is outlined and the idea of fault class estimation is introduced and studied. A new form of the estimator bloc considered for this purpose is an Unknown Input Observer (UIO). This observer is designed for an unknown input and fault free sys...

This article presents a new observer design approach for linear time invariant multivariable systems subject to unknown inputs. The is based on transformation the so-called special coordinate basis (SCB). form reveals important system properties like invertability or finite and infinite zero structure. Depending system's strong observability properties, SCB allows straightforward input utilizin...